Base | Representation |
---|---|
bin | 10010101000110111… |
… | …100010111001001000 |
3 | 1220122201222212001212 |
4 | 102220313202321020 |
5 | 311441312033222 |
6 | 13105512032252 |
7 | 1305640466342 |
oct | 225067427110 |
9 | 56581885055 |
10 | 20013002312 |
11 | 853a8aa936 |
12 | 3a66392688 |
13 | 1b6c2aac04 |
14 | d7bd0c292 |
15 | 7c1e886e2 |
hex | 4a8de2e48 |
20013002312 has 32 divisors (see below), whose sum is σ = 39365092800. Its totient is φ = 9525364800.
The previous prime is 20013002291. The next prime is 20013002363. The reversal of 20013002312 is 21320031002.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591014 + ... + 623957.
It is an arithmetic number, because the mean of its divisors is an integer number (1230159150).
Almost surely, 220013002312 is an apocalyptic number.
It is an amenable number.
20013002312 is a deficient number, since it is larger than the sum of its proper divisors (19352090488).
20013002312 is a wasteful number, since it uses less digits than its factorization.
20013002312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1215077 (or 1215073 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20013002312 its reverse (21320031002), we get a palindrome (41333033314).
The spelling of 20013002312 in words is "twenty billion, thirteen million, two thousand, three hundred twelve".
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